THIRD BOOK.
CHAPTER 1.
There is nothing more true than that all the things of this world have a limit to their existence; but those only run the entire course ordained for them by Heaven that do not allow their body to become disorganized, but keep it unchanged in the manner ordained, or if they change it, so do it that it shall be for their advantage, and not to their injury. And as I speak here of mixed bodies, such as republics or religious sects, I say that those changes are beneficial that bring them back to their original principles. And those are the best-constituted bodies, and have the longest existence, which possess the intrinsic means of frequently renewing themselves, or such as obtain this renovation in consequence of some extrinsic accidents. And it is a truth clearer than light that, without such renovation, these bodies cannot continue to exist; and the means of renewing them is to bring them back to their original principles. For, as all religious republics and monarchies must have within themselves some gooduess, by means of which they obtain ther first growth and reputation, and as in the process of time this goodness becomes corrupted, it will of necessity destroy the body unless something intervenes to bring it back to its normal condition. Thus, the doctors of medicine say, in speaking of the human body, that “every day some ill humors gather which must be cured.”
This return of a republic to its original principles is either the result of extrinsic accident or of intrinsic prudence. As an instance of the first, we have seen how necessary it was
